70490742 has 32 divisors (see below), whose sum is σ = 164166912. Its totient is φ = 19759584.

The previous prime is 70490723. The next prime is 70490743. The reversal of 70490742 is 24709407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70490743) 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, 13608 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (5130216).

Almost surely, 2^70490742 is an apocalyptic number.

70490742 is an abundant number, since it is smaller than the sum of its proper divisors (93676170).

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

70490742 is a wasteful number, since it uses less digits than its factorization.

70490742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31732.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70490742 is about 8395.8764878957. The cubic root of 70490742 is about 413.0893775183.

The spelling of 70490742 in words is "seventy million, four hundred ninety thousand, seven hundred forty-two".