70532157 has 8 divisors (see below), whose sum is σ = 94120576. Its totient is φ = 46982592.

The previous prime is 70532113. The next prime is 70532171. The reversal of 70532157 is 75123507.

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

It is not a de Polignac number, because 70532157 - 2¹² = 70528061 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 (70532197) 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 7 ways as a sum of consecutive naturals, for example, 5173 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (11765072).

Almost surely, 2^70532157 is an apocalyptic number.

It is an amenable number.

70532157 is a deficient number, since it is larger than the sum of its proper divisors (23588419).

70532157 is a wasteful number, since it uses less digits than its factorization.

70532157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19427.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 70532157 is about 8398.3425150443. The cubic root of 70532157 is about 413.1702616491.

The spelling of 70532157 in words is "seventy million, five hundred thirty-two thousand, one hundred fifty-seven".