1627374990 has 32 divisors (see below), whose sum is σ = 3996533376. Its totient is φ = 423874080.

The previous prime is 1627374979. The next prime is 1627375003. The reversal of 1627374990 is 994737261.

It is a happy number.

It is a super-3 number, since 3×1627374990³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629476 + ... + 632055.

It is an arithmetic number, because the mean of its divisors is an integer number (124891668).

Almost surely, 2^1627374990 is an apocalyptic number.

1627374990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1627374990 is an abundant number, since it is smaller than the sum of its proper divisors (2369158386).

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

1627374990 is a wasteful number, since it uses less digits than its factorization.

1627374990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261584.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 1627374990 is about 40340.7361112809. The cubic root of 1627374990 is about 1176.2398236537.

The spelling of 1627374990 in words is "one billion, six hundred twenty-seven million, three hundred seventy-four thousand, nine hundred ninety".