70737049 has 2 divisors, whose sum is σ = 70737050. Its totient is φ = 70737048.

The previous prime is 70736977. The next prime is 70737053. The reversal of 70737049 is 94073707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 9193024 = 7845^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 70737049 - 2⁷ = 70736921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70736999 and 70737017.

It is not a weakly prime, because it can be changed into another prime (70737089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35368524 + 35368525.

It is an arithmetic number, because the mean of its divisors is an integer number (35368525).

Almost surely, 2^70737049 is an apocalyptic number.

It is an amenable number.

70737049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70737049 is an equidigital number, since it uses as much as digits as its factorization.

70737049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 70737049 is about 8410.5320283559. The cubic root of 70737049 is about 413.5699537608.

The spelling of 70737049 in words is "seventy million, seven hundred thirty-seven thousand, forty-nine".