72312035 has 4 divisors (see below), whose sum is σ = 86774448. Its totient is φ = 57849624.

The previous prime is 72312029. The next prime is 72312041. The reversal of 72312035 is 53021327.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72312029) and next prime (72312041).

It is a cyclic number.

It is not a de Polignac number, because 72312035 - 2⁶ = 72311971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72312035.

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, 7231199 + ... + 7231208.

It is an arithmetic number, because the mean of its divisors is an integer number (21693612).

Almost surely, 2^72312035 is an apocalyptic number.

72312035 is a deficient number, since it is larger than the sum of its proper divisors (14462413).

72312035 is a wasteful number, since it uses less digits than its factorization.

72312035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14462412.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 72312035 is about 8503.6483346855. The cubic root of 72312035 is about 416.6168790289.

The spelling of 72312035 in words is "seventy-two million, three hundred twelve thousand, thirty-five".