70490013 has 8 divisors (see below), whose sum is σ = 102530976. Its totient is φ = 42721200.

The previous prime is 70490011. The next prime is 70490023. The reversal of 70490013 is 31009407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70490013 - 2¹ = 70490011 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70490011) 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, 1067998 + ... + 1068063.

It is an arithmetic number, because the mean of its divisors is an integer number (12816372).

Almost surely, 2^70490013 is an apocalyptic number.

It is an amenable number.

70490013 is a deficient number, since it is larger than the sum of its proper divisors (32040963).

70490013 is a wasteful number, since it uses less digits than its factorization.

70490013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136075.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70490013 is about 8395.8330736146. The cubic root of 70490013 is about 413.0879534864.

The spelling of 70490013 in words is "seventy million, four hundred ninety thousand, thirteen".