70437357 has 10 divisors (see below), whose sum is σ = 105221358. Its totient is φ = 46958184.

The previous prime is 70437347. The next prime is 70437361. The reversal of 70437357 is 75373407.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 17816841 = 7254^2 + 4221^2 .

It is not a de Polignac number, because 70437357 - 2²² = 66243053 is a prime.

It is a super-2 number, since 2×70437357² = 9922842522290898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70437347) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 434718 + ... + 434879.

Almost surely, 2^70437357 is an apocalyptic number.

It is an amenable number.

70437357 is a deficient number, since it is larger than the sum of its proper divisors (34784001).

70437357 is an equidigital number, since it uses as much as digits as its factorization.

70437357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869609 (or 869600 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 70437357 is about 8392.6966464897. The cubic root of 70437357 is about 412.9850690411.

It can be divided in two parts, 7043 and 7357, that added together give a square (14400 = 120²).

The spelling of 70437357 in words is "seventy million, four hundred thirty-seven thousand, three hundred fifty-seven".