70257701 has 4 divisors (see below), whose sum is σ = 71583372. Its totient is φ = 68932032.

The previous prime is 70257697. The next prime is 70257713. The reversal of 70257701 is 10775207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10775207 = 1103 ⋅9769.

It can be written as a sum of positive squares in 2 ways, for example, as 20484676 + 49773025 = 4526^2 + 7055^2 .

It is a cyclic number.

It is not a de Polignac number, because 70257701 - 2² = 70257697 is a prime.

It is a super-2 number, since 2×70257701² = 9872289099610802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70257751) 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, 662756 + ... + 662861.

It is an arithmetic number, because the mean of its divisors is an integer number (17895843).

Almost surely, 2^70257701 is an apocalyptic number.

It is an amenable number.

70257701 is a deficient number, since it is larger than the sum of its proper divisors (1325671).

70257701 is a wasteful number, since it uses less digits than its factorization.

70257701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325670.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 70257701 is about 8381.9866976750. The cubic root of 70257701 is about 412.6336531706.

The spelling of 70257701 in words is "seventy million, two hundred fifty-seven thousand, seven hundred one".