70548730 has 24 divisors (see below), whose sum is σ = 147721428. Its totient is φ = 24187968.

The previous prime is 70548727. The next prime is 70548761. The reversal of 70548730 is 3784507.

It can be written as a sum of positive squares in 2 ways, for example, as 68112009 + 2436721 = 8253^2 + 1561^2 .

It is a super-2 number, since 2×70548730² = 9954246609225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71499 + ... + 72478.

Almost surely, 2^70548730 is an apocalyptic number.

70548730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70548730 is an abundant number, since it is smaller than the sum of its proper divisors (77172698).

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

70548730 is a wasteful number, since it uses less digits than its factorization.

70548730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143998 (or 143991 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70548730 is about 8399.3291398778. The cubic root of 70548730 is about 413.2026201022.

The spelling of 70548730 in words is "seventy million, five hundred forty-eight thousand, seven hundred thirty".