72979119 has 24 divisors (see below), whose sum is σ = 107739632. Its totient is φ = 47589120.

The previous prime is 72979117. The next prime is 72979121. The reversal of 72979119 is 91197927.

It is an interprime number because it is at equal distance from previous prime (72979117) and next prime (72979121).

It is not a de Polignac number, because 72979119 - 2¹ = 72979117 is a prime.

It is a super-2 number, since 2×72979119² = 10651903620032322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72979111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168327 + ... + 168759.

Almost surely, 2^72979119 is an apocalyptic number.

72979119 is a deficient number, since it is larger than the sum of its proper divisors (34760513).

72979119 is a wasteful number, since it uses less digits than its factorization.

72979119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 804 counting only the distinct ones).

The product of its digits is 71442, while the sum is 45.

The square root of 72979119 is about 8542.7816898245. The cubic root of 72979119 is about 417.8940670793.

The spelling of 72979119 in words is "seventy-two million, nine hundred seventy-nine thousand, one hundred nineteen".