7400734057 has 6 divisors (see below), whose sum is σ = 7442342138. Its totient is φ = 7359357312.

The previous prime is 7400734051. The next prime is 7400734097. The reversal of 7400734057 is 7504370047.

It can be written as a sum of positive squares in only one way, i.e., 4724637696 + 2676096361 = 68736^2 + 51731^2 .

It is not a de Polignac number, because 7400734057 - 2⁷ = 7400733929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7400734051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83448 + ... + 147529.

Almost surely, 2^7400734057 is an apocalyptic number.

It is an amenable number.

7400734057 is a deficient number, since it is larger than the sum of its proper divisors (41608081).

7400734057 is an equidigital number, since it uses as much as digits as its factorization.

7400734057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231335 (or 231156 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 7400734057 is about 86027.5191842703. The cubic root of 7400734057 is about 1948.7595930786.

The spelling of 7400734057 in words is "seven billion, four hundred million, seven hundred thirty-four thousand, fifty-seven".