72980270 has 32 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 26465440.

The previous prime is 72980251. The next prime is 72980291. The reversal of 72980270 is 7208927.

It is a super-2 number, since 2×72980270² = 10652239618545800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72980270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54671 + ... + 55989.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^72980270 is an apocalyptic number.

72980270 is a deficient number, since it is larger than the sum of its proper divisors (70720210).

72980270 is a wasteful number, since it uses less digits than its factorization.

72980270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 72980270 is about 8542.8490563746. The cubic root of 72980270 is about 417.8962640252.

The spelling of 72980270 in words is "seventy-two million, nine hundred eighty thousand, two hundred seventy".