70694457 has 16 divisors (see below), whose sum is σ = 97711680. Its totient is φ = 45427392.

The previous prime is 70694453. The next prime is 70694461. The reversal of 70694457 is 75449607.

It is an interprime number because it is at equal distance from previous prime (70694453) and next prime (70694461).

It is not a de Polignac number, because 70694457 - 2² = 70694453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70694453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9178 + ... + 15020.

It is an arithmetic number, because the mean of its divisors is an integer number (6106980).

Almost surely, 2^70694457 is an apocalyptic number.

It is an amenable number.

70694457 is a deficient number, since it is larger than the sum of its proper divisors (27017223).

70694457 is a wasteful number, since it uses less digits than its factorization.

70694457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5992.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 70694457 is about 8407.9995837298. Note that the first 3 decimals coincide. The cubic root of 70694457 is about 413.4869312227.

The spelling of 70694457 in words is "seventy million, six hundred ninety-four thousand, four hundred fifty-seven".