70513477 has 2 divisors, whose sum is σ = 70513478. Its totient is φ = 70513476.

The previous prime is 70513463. The next prime is 70513493. The reversal of 70513477 is 77431507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66569281 + 3944196 = 8159^2 + 1986^2 .

It is an emirp because it is prime and its reverse (77431507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70513477 - 2⁷ = 70513349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70513447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35256738 + 35256739.

It is an arithmetic number, because the mean of its divisors is an integer number (35256739).

Almost surely, 2^70513477 is an apocalyptic number.

It is an amenable number.

70513477 is a deficient number, since it is larger than the sum of its proper divisors (1).

70513477 is an equidigital number, since it uses as much as digits as its factorization.

70513477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 70513477 is about 8397.2303171939. The cubic root of 70513477 is about 413.1337832432.

The spelling of 70513477 in words is "seventy million, five hundred thirteen thousand, four hundred seventy-seven".