70979481 has 24 divisors (see below), whose sum is σ = 104996736. Its totient is φ = 46193280.

The previous prime is 70979479. The next prime is 70979483. The reversal of 70979481 is 18497907.

It is an interprime number because it is at equal distance from previous prime (70979479) and next prime (70979483).

It is not a de Polignac number, because 70979481 - 2¹ = 70979479 is a prime.

It is a super-2 number, since 2×70979481² = 10076173446058722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70979483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71716 + ... + 72698.

It is an arithmetic number, because the mean of its divisors is an integer number (4374864).

Almost surely, 2^70979481 is an apocalyptic number.

70979481 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70979481 is a deficient number, since it is larger than the sum of its proper divisors (34017255).

70979481 is a wasteful number, since it uses less digits than its factorization.

70979481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 70979481 is about 8424.9321065514. The cubic root of 70979481 is about 414.0418812213.

The spelling of 70979481 in words is "seventy million, nine hundred seventy-nine thousand, four hundred eighty-one".