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72701974 = 2277131231
BaseRepresentation
bin1000101010101…
…01100000010110
312001210122100201
410111111200112
5122102430344
611114131114
71541646052
oct425254026
9161718321
1072701974
1138047084
1220420a9a
13120a6627
149926c62
1565b14d4
hex4555816

72701974 has 8 divisors (see below), whose sum is σ = 109447488. Its totient is φ = 36219480.

The previous prime is 72701969. The next prime is 72701977. The reversal of 72701974 is 47910727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72701977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65062 + ... + 66169.

It is an arithmetic number, because the mean of its divisors is an integer number (13680936).

Almost surely, 272701974 is an apocalyptic number.

72701974 is a deficient number, since it is larger than the sum of its proper divisors (36745514).

72701974 is a wasteful number, since it uses less digits than its factorization.

72701974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131510.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 72701974 is about 8526.5452558466. The cubic root of 72701974 is about 417.3643988132.

The spelling of 72701974 in words is "seventy-two million, seven hundred one thousand, nine hundred seventy-four".

Divisors: 1 2 277 554 131231 262462 36350987 72701974