72882737 has 4 divisors (see below), whose sum is σ = 72930816. Its totient is φ = 72834660.

The previous prime is 72882731. The next prime is 72882743. The reversal of 72882737 is 73728827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (72882731) and next prime (72882743).

It is a cyclic number.

It is not a de Polignac number, because 72882737 - 2⁶ = 72882673 is a prime.

It is a super-2 number, since 2×72882737² = 10623786705222338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72882731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21689 + ... + 24822.

It is an arithmetic number, because the mean of its divisors is an integer number (18232704).

Almost surely, 2^72882737 is an apocalyptic number.

It is an amenable number.

72882737 is a deficient number, since it is larger than the sum of its proper divisors (48079).

72882737 is a wasteful number, since it uses less digits than its factorization.

72882737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48078.

The product of its digits is 263424, while the sum is 44.

The square root of 72882737 is about 8537.1386892799. The cubic root of 72882737 is about 417.7100180401.

The spelling of 72882737 in words is "seventy-two million, eight hundred eighty-two thousand, seven hundred thirty-seven".