3657428070 has 16 divisors (see below), whose sum is σ = 8777827440. Its totient is φ = 975314144.

The previous prime is 3657428069. The next prime is 3657428077. The reversal of 3657428070 is 708247563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3657428077) 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, 60957105 + ... + 60957164.

It is an arithmetic number, because the mean of its divisors is an integer number (548614215).

Almost surely, 2^3657428070 is an apocalyptic number.

3657428070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3657428070 is an abundant number, since it is smaller than the sum of its proper divisors (5120399370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3657428070 is a wasteful number, since it uses less digits than its factorization.

3657428070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121914279.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 3657428070 is about 60476.6737676602. The cubic root of 3657428070 is about 1540.7254790044.

The spelling of 3657428070 in words is "three billion, six hundred fifty-seven million, four hundred twenty-eight thousand, seventy".