715454478 has 16 divisors (see below), whose sum is σ = 1589898960. Its totient is φ = 238484808.

The previous prime is 715454477. The next prime is 715454483. The reversal of 715454478 is 874454517.

It is a super-2 number, since 2×715454478² = 1023750220180504968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715454477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624525 + ... + 6624632.

It is an arithmetic number, because the mean of its divisors is an integer number (99368685).

Almost surely, 2^715454478 is an apocalyptic number.

715454478 is an abundant number, since it is smaller than the sum of its proper divisors (874444482).

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

715454478 is a wasteful number, since it uses less digits than its factorization.

715454478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249168 (or 13249162 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 715454478 is about 26747.9808209891. The cubic root of 715454478 is about 894.3908250214.

The spelling of 715454478 in words is "seven hundred fifteen million, four hundred fifty-four thousand, four hundred seventy-eight".