72877898 has 8 divisors (see below), whose sum is σ = 109466208. Its totient is φ = 36389164.

The previous prime is 72877897. The next prime is 72877907. The reversal of 72877898 is 89877827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72877898² = 10622376033796808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72877897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23036 + ... + 26007.

It is an arithmetic number, because the mean of its divisors is an integer number (13683276).

Almost surely, 2^72877898 is an apocalyptic number.

72877898 is a deficient number, since it is larger than the sum of its proper divisors (36588310).

72877898 is a wasteful number, since it uses less digits than its factorization.

72877898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49788.

The product of its digits is 3161088, while the sum is 56.

The square root of 72877898 is about 8536.8552758027. The cubic root of 72877898 is about 417.7007733108.

The spelling of 72877898 in words is "seventy-two million, eight hundred seventy-seven thousand, eight hundred ninety-eight".