72046870 has 32 divisors (see below), whose sum is σ = 148615488. Its totient is φ = 24634368.

The previous prime is 72046859. The next prime is 72046873. The reversal of 72046870 is 7864027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72046873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29122 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (4644234).

Almost surely, 2^72046870 is an apocalyptic number.

72046870 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72046870 is an abundant number, since it is smaller than the sum of its proper divisors (76568618).

72046870 is a wasteful number, since it uses less digits than its factorization.

72046870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 72046870 is about 8488.0427661505. The cubic root of 72046870 is about 416.1070168152.

The spelling of 72046870 in words is "seventy-two million, forty-six thousand, eight hundred seventy".