72746376 has 32 divisors (see below), whose sum is σ = 182335200. Its totient is φ = 24186240.

The previous prime is 72746371. The next prime is 72746381. The reversal of 72746376 is 67364727.

It is an interprime number because it is at equal distance from previous prime (72746371) and next prime (72746381).

It is a super-2 number, since 2×72746376² = 10584070442266752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72746371) 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, 6111 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (5697975).

Almost surely, 2^72746376 is an apocalyptic number.

It is an amenable number.

72746376 is an abundant number, since it is smaller than the sum of its proper divisors (109588824).

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

72746376 is a wasteful number, since it uses less digits than its factorization.

72746376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829 (or 7825 counting only the distinct ones).

The product of its digits is 296352, while the sum is 42.

The square root of 72746376 is about 8529.1486093279. The cubic root of 72746376 is about 417.4493485589.

The spelling of 72746376 in words is "seventy-two million, seven hundred forty-six thousand, three hundred seventy-six".