72657034 has 8 divisors (see below), whose sum is σ = 109330308. Its totient is φ = 36213600.

The previous prime is 72657029. The next prime is 72657041. The reversal of 72657034 is 43075627.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68013009 + 4644025 = 8247^2 + 2155^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56667 + ... + 57934.

Almost surely, 2^72657034 is an apocalyptic number.

72657034 is a deficient number, since it is larger than the sum of its proper divisors (36673274).

72657034 is a wasteful number, since it uses less digits than its factorization.

72657034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114920.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72657034 is about 8523.9095490274. The cubic root of 72657034 is about 417.2783845413.

The spelling of 72657034 in words is "seventy-two million, six hundred fifty-seven thousand, thirty-four".