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74607072 = 2531940903
BaseRepresentation
bin1000111001001…
…10100111100000
312012101102122220
410130212213200
5123044411242
611223031040
71564102221
oct434464740
9165342586
1074607072
1139128441
1220b9b480
13125c27c7
149ca1248
15683abec
hex47269e0

74607072 has 48 divisors (see below), whose sum is σ = 206156160. Its totient is φ = 23559552.

The previous prime is 74607041. The next prime is 74607077. The reversal of 74607072 is 27070647.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74607077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18628 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (4294920).

Almost surely, 274607072 is an apocalyptic number.

It is an amenable number.

74607072 is an abundant number, since it is smaller than the sum of its proper divisors (131549088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74607072 is a wasteful number, since it uses less digits than its factorization.

74607072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40935 (or 40927 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 74607072 is about 8637.5385382642. The cubic root of 74607072 is about 420.9785798630.

The spelling of 74607072 in words is "seventy-four million, six hundred seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 40903 81806 122709 163612 245418 327224 490836 654448 777157 981672 1308896 1554314 1963344 2331471 3108628 3926688 4662942 6217256 9325884 12434512 18651768 24869024 37303536 74607072