72611870 has 8 divisors (see below), whose sum is σ = 130701384. Its totient is φ = 29044744.

The previous prime is 72611867. The next prime is 72611873. The reversal of 72611870 is 7811627.

It is an interprime number because it is at equal distance from previous prime (72611867) and next prime (72611873).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72611873) 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, 3630584 + ... + 3630603.

It is an arithmetic number, because the mean of its divisors is an integer number (16337673).

Almost surely, 2^72611870 is an apocalyptic number.

72611870 is a deficient number, since it is larger than the sum of its proper divisors (58089514).

72611870 is a wasteful number, since it uses less digits than its factorization.

72611870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261194.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 72611870 is about 8521.2598833741. The cubic root of 72611870 is about 417.1919057968.

The spelling of 72611870 in words is "seventy-two million, six hundred eleven thousand, eight hundred seventy".