7400670397 has 2 divisors, whose sum is σ = 7400670398. Its totient is φ = 7400670396.

The previous prime is 7400670391. The next prime is 7400670419. The reversal of 7400670397 is 7930760047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6998828281 + 401842116 = 83659^2 + 20046^2 .

It is a cyclic number.

It is not a de Polignac number, because 7400670397 - 2²³ = 7392281789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7400670391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700335198 + 3700335199.

It is an arithmetic number, because the mean of its divisors is an integer number (3700335199).

Almost surely, 2^7400670397 is an apocalyptic number.

It is an amenable number.

7400670397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7400670397 is an equidigital number, since it uses as much as digits as its factorization.

7400670397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 7400670397 is about 86027.1491855914. The cubic root of 7400670397 is about 1948.7540054170.

The spelling of 7400670397 in words is "seven billion, four hundred million, six hundred seventy thousand, three hundred ninety-seven".