1402078172 has 48 divisors (see below), whose sum is σ = 2823569280. Its totient is φ = 602481600.

The previous prime is 1402078157. The next prime is 1402078177. The reversal of 1402078172 is 2718702041.

It is a happy number.

It is a super-3 number, since 3×1402078172³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402078177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464147 + ... + 467157.

It is an arithmetic number, because the mean of its divisors is an integer number (58824360).

Almost surely, 2^1402078172 is an apocalyptic number.

It is an amenable number.

1402078172 is an abundant number, since it is smaller than the sum of its proper divisors (1421491108).

1402078172 is a wasteful number, since it uses less digits than its factorization.

1402078172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 1402078172 is about 37444.3343110810. The cubic root of 1402078172 is about 1119.2421989034.

The spelling of 1402078172 in words is "one billion, four hundred two million, seventy-eight thousand, one hundred seventy-two".