70654920 has 192 divisors, whose sum is σ = 256763520. Its totient is φ = 15234048.

The previous prime is 70654889. The next prime is 70654937. The reversal of 70654920 is 2945607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303124 + ... + 303356.

It is an arithmetic number, because the mean of its divisors is an integer number (1337310).

Almost surely, 2^70654920 is an apocalyptic number.

70654920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70654920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128381760).

70654920 is an abundant number, since it is smaller than the sum of its proper divisors (186108600).

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

70654920 is a wasteful number, since it uses less digits than its factorization.

70654920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 70654920 is about 8405.6481011282. The cubic root of 70654920 is about 413.4098337996.

The spelling of 70654920 in words is "seventy million, six hundred fifty-four thousand, nine hundred twenty".