70497953 has 4 divisors (see below), whose sum is σ = 70520880. Its totient is φ = 70475028.

The previous prime is 70497943. The next prime is 70497991. The reversal of 70497953 is 35979407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70497953 - 2¹⁰ = 70496929 is a prime.

It is a super-2 number, since 2×70497953² = 9939922754380418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70497943) 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 3 ways as a sum of consecutive naturals, for example, 5975 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (17630220).

Almost surely, 2^70497953 is an apocalyptic number.

It is an amenable number.

70497953 is a deficient number, since it is larger than the sum of its proper divisors (22927).

70497953 is a wasteful number, since it uses less digits than its factorization.

70497953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22926.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 70497953 is about 8396.3059139124. The cubic root of 70497953 is about 413.1034629894.

The spelling of 70497953 in words is "seventy million, four hundred ninety-seven thousand, nine hundred fifty-three".