72537011 has 8 divisors (see below), whose sum is σ = 77358960. Its totient is φ = 67776768.

The previous prime is 72537007. The next prime is 72537013. The reversal of 72537011 is 11073527.

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

It is a cyclic number.

It is not a de Polignac number, because 72537011 - 2² = 72537007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72537013) 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, 12986 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (9669870).

Almost surely, 2^72537011 is an apocalyptic number.

72537011 is a deficient number, since it is larger than the sum of its proper divisors (4821949).

72537011 is a wasteful number, since it uses less digits than its factorization.

72537011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30853.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 72537011 is about 8516.8662664151. The cubic root of 72537011 is about 417.0484888992.

The spelling of 72537011 in words is "seventy-two million, five hundred thirty-seven thousand, eleven".