70495969 has 2 divisors, whose sum is σ = 70495970. Its totient is φ = 70495968.

The previous prime is 70495939. The next prime is 70495979. The reversal of 70495969 is 96959407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59105344 + 11390625 = 7688^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 70495969 - 2¹⁵ = 70463201 is a prime.

It is a super-2 number, since 2×70495969² = 9939363290497922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70495939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35247984 + 35247985.

It is an arithmetic number, because the mean of its divisors is an integer number (35247985).

Almost surely, 2^70495969 is an apocalyptic number.

It is an amenable number.

70495969 is a deficient number, since it is larger than the sum of its proper divisors (1).

70495969 is an equidigital number, since it uses as much as digits as its factorization.

70495969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 70495969 is about 8396.1877658852. The cubic root of 70495969 is about 413.0995876761.

The spelling of 70495969 in words is "seventy million, four hundred ninety-five thousand, nine hundred sixty-nine".