72437270 has 16 divisors (see below), whose sum is σ = 130537440. Its totient is φ = 28941504.

The previous prime is 72437263. The next prime is 72437279. The reversal of 72437270 is 7273427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72437279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (8158590).

Almost surely, 2^72437270 is an apocalyptic number.

72437270 is a deficient number, since it is larger than the sum of its proper divisors (58100170).

72437270 is a wasteful number, since it uses less digits than its factorization.

72437270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 72437270 is about 8511.0087533735. The cubic root of 72437270 is about 416.8572489926.

The spelling of 72437270 in words is "seventy-two million, four hundred thirty-seven thousand, two hundred seventy".