72258707 has 4 divisors (see below), whose sum is σ = 72281976. Its totient is φ = 72235440.

The previous prime is 72258701. The next prime is 72258713. The reversal of 72258707 is 70785227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70785227 = 349 ⋅202823.

It is an interprime number because it is at equal distance from previous prime (72258701) and next prime (72258713).

It is a cyclic number.

It is not a de Polignac number, because 72258707 - 2⁶ = 72258643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72258701) 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, 6098 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (18070494).

Almost surely, 2^72258707 is an apocalyptic number.

72258707 is a deficient number, since it is larger than the sum of its proper divisors (23269).

72258707 is a wasteful number, since it uses less digits than its factorization.

72258707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23268.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 72258707 is about 8500.5121610407. The cubic root of 72258707 is about 416.5144396092.

The spelling of 72258707 in words is "seventy-two million, two hundred fifty-eight thousand, seven hundred seven".