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74041972 = 2218510493
BaseRepresentation
bin1000110100111…
…00101001110100
312011022201111021
410122130221310
5122423320342
611202550524
71556226544
oct432345164
9164281437
1074041972
1138881914
1220968444
1312455524
149b95324
156778567
hex469ca74

74041972 has 6 divisors (see below), whose sum is σ = 129573458. Its totient is φ = 37020984.

The previous prime is 74041963. The next prime is 74041973. The reversal of 74041972 is 27914047.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 27311076 = 6836^2 + 5226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74041973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9255243 + ... + 9255250.

Almost surely, 274041972 is an apocalyptic number.

It is an amenable number.

74041972 is a deficient number, since it is larger than the sum of its proper divisors (55531486).

74041972 is a wasteful number, since it uses less digits than its factorization.

74041972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18510497 (or 18510495 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 74041972 is about 8604.7644941625. The cubic root of 74041972 is about 419.9130054137.

The spelling of 74041972 in words is "seventy-four million, forty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 18510493 37020986 74041972