72214970 has 16 divisors (see below), whose sum is σ = 130146048. Its totient is φ = 28850640.

The previous prime is 72214969. The next prime is 72214973. The reversal of 72214970 is 7941227.

It is not an unprimeable number, because it can be changed into a prime (72214973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5147 + ... + 13073.

It is an arithmetic number, because the mean of its divisors is an integer number (8134128).

Almost surely, 2^72214970 is an apocalyptic number.

72214970 is a deficient number, since it is larger than the sum of its proper divisors (57931078).

72214970 is a wasteful number, since it uses less digits than its factorization.

72214970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 72214970 is about 8497.9391619380. The cubic root of 72214970 is about 416.4303862148.

The spelling of 72214970 in words is "seventy-two million, two hundred fourteen thousand, nine hundred seventy".