72350537 has 12 divisors (see below), whose sum is σ = 87270336. Its totient is φ = 58748760.

The previous prime is 72350533. The next prime is 72350539. The reversal of 72350537 is 73505327.

It is not a de Polignac number, because 72350537 - 2² = 72350533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72350533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11789 + ... + 16842.

It is an arithmetic number, because the mean of its divisors is an integer number (7272528).

Almost surely, 2^72350537 is an apocalyptic number.

It is an amenable number.

72350537 is a deficient number, since it is larger than the sum of its proper divisors (14919799).

72350537 is a wasteful number, since it uses less digits than its factorization.

72350537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676 (or 28657 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 72350537 is about 8505.9118852713. The cubic root of 72350537 is about 416.6908074191.

The spelling of 72350537 in words is "seventy-two million, three hundred fifty thousand, five hundred thirty-seven".