70742444 has 6 divisors (see below), whose sum is σ = 123799284. Its totient is φ = 35371220.

The previous prime is 70742437. The next prime is 70742447. The reversal of 70742444 is 44424707.

It is a self number, because there is not a number n which added to its sum of digits gives 70742444.

It is not an unprimeable number, because it can be changed into a prime (70742447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8842802 + ... + 8842809.

It is an arithmetic number, because the mean of its divisors is an integer number (20633214).

Almost surely, 2^70742444 is an apocalyptic number.

It is an amenable number.

70742444 is a deficient number, since it is larger than the sum of its proper divisors (53056840).

70742444 is a wasteful number, since it uses less digits than its factorization.

70742444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685615 (or 17685613 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 70742444 is about 8410.8527510592. The cubic root of 70742444 is about 413.5804675967.

The spelling of 70742444 in words is "seventy million, seven hundred forty-two thousand, four hundred forty-four".