72877146 has 8 divisors (see below), whose sum is σ = 145754304. Its totient is φ = 24292380.

The previous prime is 72877139. The next prime is 72877153. The reversal of 72877146 is 64177827.

It is an interprime number because it is at equal distance from previous prime (72877139) and next prime (72877153).

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

72877146 is an admirable number.

It is a super-2 number, since 2×72877146² = 10622156818210632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72877098 and 72877107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073090 + ... + 6073101.

It is an arithmetic number, because the mean of its divisors is an integer number (18219288).

Almost surely, 2^72877146 is an apocalyptic number.

72877146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72877146 is a wasteful number, since it uses less digits than its factorization.

72877146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12146196.

The product of its digits is 131712, while the sum is 42.

The square root of 72877146 is about 8536.8112313674. The cubic root of 72877146 is about 417.6993366061.

The spelling of 72877146 in words is "seventy-two million, eight hundred seventy-seven thousand, one hundred forty-six".