72694368 has 48 divisors (see below), whose sum is σ = 212027760. Its totient is φ = 24231168.

The previous prime is 72694367. The next prime is 72694373. The reversal of 72694368 is 86349627.

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

It is a super-2 number, since 2×72694368² = 10568942277838848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72694367) 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 7 ways as a sum of consecutive naturals, for example, 41205 + ... + 42932.

It is an arithmetic number, because the mean of its divisors is an integer number (4417245).

Almost surely, 2^72694368 is an apocalyptic number.

It is an amenable number.

72694368 is an abundant number, since it is smaller than the sum of its proper divisors (139333392).

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

72694368 is a wasteful number, since it uses less digits than its factorization.

72694368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84156 (or 84142 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 72694368 is about 8526.0992253199. The cubic root of 72694368 is about 417.3498435719.

The spelling of 72694368 in words is "seventy-two million, six hundred ninety-four thousand, three hundred sixty-eight".