70749942 has 16 divisors (see below), whose sum is σ = 141635520. Its totient is φ = 23560712.

The previous prime is 70749941. The next prime is 70749953. The reversal of 70749942 is 24994707.

It is a junction number, because it is equal to n+sod(n) for n = 70749894 and 70749903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70749941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909 + ... + 12047.

It is an arithmetic number, because the mean of its divisors is an integer number (8852220).

Almost surely, 2^70749942 is an apocalyptic number.

70749942 is an abundant number, since it is smaller than the sum of its proper divisors (70885578).

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

70749942 is a wasteful number, since it uses less digits than its factorization.

70749942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 70749942 is about 8411.2984728875. The cubic root of 70749942 is about 413.5950788947.

The spelling of 70749942 in words is "seventy million, seven hundred forty-nine thousand, nine hundred forty-two".