7457955401 has 4 divisors (see below), whose sum is σ = 8031644292. Its totient is φ = 6884266512.

The previous prime is 7457955397. The next prime is 7457955521. The reversal of 7457955401 is 1045597547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 823690000 + 6634265401 = 28700^2 + 81451^2 .

It is a cyclic number.

It is not a de Polignac number, because 7457955401 - 2² = 7457955397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7457955101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286844426 + ... + 286844451.

It is an arithmetic number, because the mean of its divisors is an integer number (2007911073).

Almost surely, 2^7457955401 is an apocalyptic number.

It is an amenable number.

7457955401 is a deficient number, since it is larger than the sum of its proper divisors (573688891).

7457955401 is a wasteful number, since it uses less digits than its factorization.

7457955401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573688890.

The product of its (nonzero) digits is 882000, while the sum is 47.

The square root of 7457955401 is about 86359.4546126827. The cubic root of 7457955401 is about 1953.7692077081.

The spelling of 7457955401 in words is "seven billion, four hundred fifty-seven million, nine hundred fifty-five thousand, four hundred one".