78672954 has 8 divisors (see below), whose sum is σ = 157345920. Its totient is φ = 26224316.

The previous prime is 78672953. The next prime is 78672959. The reversal of 78672954 is 45927687.

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

78672954 is an admirable number.

It is a super-2 number, since 2×78672954² = 12378867382172232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78672953) 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, 6556074 + ... + 6556085.

It is an arithmetic number, because the mean of its divisors is an integer number (19668240).

Almost surely, 2^78672954 is an apocalyptic number.

78672954 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.

78672954 is a wasteful number, since it uses less digits than its factorization.

78672954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112164.

The product of its digits is 846720, while the sum is 48.

The square root of 78672954 is about 8869.7775620362. Note that the first 3 decimals coincide. The cubic root of 78672954 is about 428.4911131083.

The spelling of 78672954 in words is "seventy-eight million, six hundred seventy-two thousand, nine hundred fifty-four".