70519051 has 4 divisors (see below), whose sum is σ = 74230600. Its totient is φ = 66807504.

The previous prime is 70519049. The next prime is 70519063. The reversal of 70519051 is 15091507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70519051 - 2¹ = 70519049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70519021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855746 + ... + 1855783.

It is an arithmetic number, because the mean of its divisors is an integer number (18557650).

Almost surely, 2^70519051 is an apocalyptic number.

70519051 is a deficient number, since it is larger than the sum of its proper divisors (3711549).

70519051 is a wasteful number, since it uses less digits than its factorization.

70519051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711548.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 70519051 is about 8397.5622057833. The cubic root of 70519051 is about 413.1446688551.

The spelling of 70519051 in words is "seventy million, five hundred nineteen thousand, fifty-one".