1402772057 has 8 divisors (see below), whose sum is σ = 1418224584. Its totient is φ = 1387404288.

The previous prime is 1402772053. The next prime is 1402772113. The reversal of 1402772057 is 7502772041.

It can be written as a sum of positive squares in 4 ways, for example, as 484924441 + 917847616 = 22021^2 + 30296^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402772057 - 2² = 1402772053 is a prime.

It is a super-2 number, since 2×1402772057² = 3935538887800022498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402772053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 54395.

It is an arithmetic number, because the mean of its divisors is an integer number (177278073).

Almost surely, 2^1402772057 is an apocalyptic number.

It is an amenable number.

1402772057 is a deficient number, since it is larger than the sum of its proper divisors (15452527).

1402772057 is a wasteful number, since it uses less digits than its factorization.

1402772057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42379.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 1402772057 is about 37453.5987189482. The cubic root of 1402772057 is about 1119.4268051798.

The spelling of 1402772057 in words is "one billion, four hundred two million, seven hundred seventy-two thousand, fifty-seven".