70941519 has 12 divisors (see below), whose sum is σ = 111786792. Its totient is φ = 42994800.

The previous prime is 70941517. The next prime is 70941523. The reversal of 70941519 is 91514907.

It is not a de Polignac number, because 70941519 - 2¹ = 70941517 is a prime.

It is a super-2 number, since 2×70941519² = 10065398236054722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70941517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358192 + ... + 358389.

It is an arithmetic number, because the mean of its divisors is an integer number (9315566).

Almost surely, 2^70941519 is an apocalyptic number.

70941519 is a deficient number, since it is larger than the sum of its proper divisors (40845273).

70941519 is a wasteful number, since it uses less digits than its factorization.

70941519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716598 (or 716595 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 70941519 is about 8422.6788493923. The cubic root of 70941519 is about 413.9680539657.

The spelling of 70941519 in words is "seventy million, nine hundred forty-one thousand, five hundred nineteen".