70139597 has 8 divisors (see below), whose sum is σ = 77485440. Its totient is φ = 62955360.

The previous prime is 70139591. The next prime is 70139611. The reversal of 70139597 is 79593107.

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

It is a cyclic number.

It is not a de Polignac number, because 70139597 - 2¹² = 70135501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70139591) 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, 39488 + ... + 41225.

It is an arithmetic number, because the mean of its divisors is an integer number (9685680).

Almost surely, 2^70139597 is an apocalyptic number.

It is an amenable number.

70139597 is a deficient number, since it is larger than the sum of its proper divisors (7345843).

70139597 is a wasteful number, since it uses less digits than its factorization.

70139597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80803.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 70139597 is about 8374.9386266408. The cubic root of 70139597 is about 412.4023095262.

The spelling of 70139597 in words is "seventy million, one hundred thirty-nine thousand, five hundred ninety-seven".