70732069 has 2 divisors, whose sum is σ = 70732070. Its totient is φ = 70732068.

The previous prime is 70732063. The next prime is 70732099. The reversal of 70732069 is 96023707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 3969 = 8410^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 70732069 - 2⁵ = 70732037 is a prime.

It is a super-2 number, since 2×70732069² = 10006051170041522, which contains 22 as substring.

It is equal to p_4158619 and since 70732069 and 4158619 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70732063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35366034 + 35366035.

It is an arithmetic number, because the mean of its divisors is an integer number (35366035).

Almost surely, 2^70732069 is an apocalyptic number.

It is an amenable number.

70732069 is a deficient number, since it is larger than the sum of its proper divisors (1).

70732069 is an equidigital number, since it uses as much as digits as its factorization.

70732069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 70732069 is about 8410.2359657741. The cubic root of 70732069 is about 413.5602482070.

The spelling of 70732069 in words is "seventy million, seven hundred thirty-two thousand, sixty-nine".