70519994 has 8 divisors (see below), whose sum is σ = 106429440. Its totient is φ = 35043516.

The previous prime is 70519991. The next prime is 70519997. The reversal of 70519994 is 49991507.

It is an interprime number because it is at equal distance from previous prime (70519991) and next prime (70519997).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70519991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107834 + ... + 108485.

It is an arithmetic number, because the mean of its divisors is an integer number (13303680).

Almost surely, 2^70519994 is an apocalyptic number.

70519994 is a deficient number, since it is larger than the sum of its proper divisors (35909446).

70519994 is a wasteful number, since it uses less digits than its factorization.

70519994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216484.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 70519994 is about 8397.6183528427. The cubic root of 70519994 is about 413.1465104080.

The spelling of 70519994 in words is "seventy million, five hundred nineteen thousand, nine hundred ninety-four".