70998942 has 32 divisors (see below), whose sum is σ = 165600000. Its totient is φ = 20284824.

The previous prime is 70998929. The next prime is 70998943. The reversal of 70998942 is 24989907.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70998891 and 70998900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70998943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15192 + ... + 19307.

It is an arithmetic number, because the mean of its divisors is an integer number (5175000).

Almost surely, 2^70998942 is an apocalyptic number.

70998942 is an abundant number, since it is smaller than the sum of its proper divisors (94601058).

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

70998942 is a wasteful number, since it uses less digits than its factorization.

70998942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34525 (or 34511 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 70998942 is about 8426.0869921928. The cubic root of 70998942 is about 414.0797181315.

The spelling of 70998942 in words is "seventy million, nine hundred ninety-eight thousand, nine hundred forty-two".