70790899 has 2 divisors, whose sum is σ = 70790900. Its totient is φ = 70790898.

The previous prime is 70790869. The next prime is 70790911. The reversal of 70790899 is 99809707.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70790899 is a prime.

It is a super-2 number, since 2×70790899² = 10022702762456402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70790869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35395449 + 35395450.

It is an arithmetic number, because the mean of its divisors is an integer number (35395450).

Almost surely, 2^70790899 is an apocalyptic number.

70790899 is a deficient number, since it is larger than the sum of its proper divisors (1).

70790899 is an equidigital number, since it uses as much as digits as its factorization.

70790899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 70790899 is about 8413.7327625733. The cubic root of 70790899 is about 413.6748732872.

The spelling of 70790899 in words is "seventy million, seven hundred ninety thousand, eight hundred ninety-nine".