70929975 has 12 divisors (see below), whose sum is σ = 117271016. Its totient is φ = 37829280.

The previous prime is 70929961. The next prime is 70929997. The reversal of 70929975 is 57992907.

It is not a de Polignac number, because 70929975 - 2¹⁶ = 70864439 is a prime.

It is a super-2 number, since 2×70929975² = 10062122707001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 472792 + ... + 472941.

Almost surely, 2^70929975 is an apocalyptic number.

70929975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70929975 is a deficient number, since it is larger than the sum of its proper divisors (46341041).

70929975 is a wasteful number, since it uses less digits than its factorization.

70929975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945746 (or 945741 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 70929975 is about 8421.9935288505. The cubic root of 70929975 is about 413.9455983500.

The spelling of 70929975 in words is "seventy million, nine hundred twenty-nine thousand, nine hundred seventy-five".