70395937 has 4 divisors (see below), whose sum is σ = 70442820. Its totient is φ = 70349056.

The previous prime is 70395883. The next prime is 70395953. The reversal of 70395937 is 73959307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73959307 = 761 ⋅97187.

It can be written as a sum of positive squares in 2 ways, for example, as 22287841 + 48108096 = 4721^2 + 6936^2 .

It is a cyclic number.

It is not a de Polignac number, because 70395937 - 2²³ = 62007329 is a prime.

It is a super-2 number, since 2×70395937² = 9911175892215938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70395893 and 70395902.

It is not an unprimeable number, because it can be changed into a prime (70395977) 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, 21112 + ... + 24217.

It is an arithmetic number, because the mean of its divisors is an integer number (17610705).

Almost surely, 2^70395937 is an apocalyptic number.

It is an amenable number.

70395937 is a deficient number, since it is larger than the sum of its proper divisors (46883).

70395937 is a wasteful number, since it uses less digits than its factorization.

70395937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46882.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 70395937 is about 8390.2286619615. The cubic root of 70395937 is about 412.9041025560.

The spelling of 70395937 in words is "seventy million, three hundred ninety-five thousand, nine hundred thirty-seven".