70487379 has 12 divisors (see below), whose sum is σ = 102074232. Its totient is φ = 46872000.

The previous prime is 70487369. The next prime is 70487381. The reversal of 70487379 is 97378407.

It is not a de Polignac number, because 70487379 - 2¹⁶ = 70421843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70487369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6157 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (8506186).

Almost surely, 2^70487379 is an apocalyptic number.

70487379 is a deficient number, since it is larger than the sum of its proper divisors (31586853).

70487379 is a wasteful number, since it uses less digits than its factorization.

70487379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938 (or 19935 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 70487379 is about 8395.6762086207. The cubic root of 70487379 is about 413.0828081370.

The spelling of 70487379 in words is "seventy million, four hundred eighty-seven thousand, three hundred seventy-nine".