70140557 has 8 divisors (see below), whose sum is σ = 71810880. Its totient is φ = 68486400.

The previous prime is 70140541. The next prime is 70140559. The reversal of 70140557 is 75504107.

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 70140557 - 2⁴ = 70140541 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 (70140559) 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 7 ways as a sum of consecutive naturals, for example, 4973 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (8976360).

Almost surely, 2^70140557 is an apocalyptic number.

It is an amenable number.

70140557 is a deficient number, since it is larger than the sum of its proper divisors (1670323).

70140557 is a wasteful number, since it uses less digits than its factorization.

70140557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 70140557 is about 8374.9959402975. The cubic root of 70140557 is about 412.4041910331.

The spelling of 70140557 in words is "seventy million, one hundred forty thousand, five hundred fifty-seven".