1377472401 has 6 divisors (see below), whose sum is σ = 1989682370. Its totient is φ = 918314928.

The previous prime is 1377472387. The next prime is 1377472417. The reversal of 1377472401 is 1042747731.

1377472401 is a `hidden beast` number, since 1 + 377 + 47 + 240 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1312250625 + 65221776 = 36225^2 + 8076^2 .

It is not a de Polignac number, because 1377472401 - 2⁶ = 1377472337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377472451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76526236 + ... + 76526253.

Almost surely, 2^1377472401 is an apocalyptic number.

It is an amenable number.

1377472401 is a deficient number, since it is larger than the sum of its proper divisors (612209969).

1377472401 is a wasteful number, since it uses less digits than its factorization.

1377472401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153052495 (or 153052492 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 1377472401 is about 37114.3153109417. The cubic root of 1377472401 is about 1112.6561396132.

The spelling of 1377472401 in words is "one billion, three hundred seventy-seven million, four hundred seventy-two thousand, four hundred one".