1490746172 has 12 divisors (see below), whose sum is σ = 2631893376. Its totient is φ = 738776640.

The previous prime is 1490746139. The next prime is 1490746177. The reversal of 1490746172 is 2716470941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490746177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648604 + ... + 1649507.

It is an arithmetic number, because the mean of its divisors is an integer number (219324448).

Almost surely, 2^1490746172 is an apocalyptic number.

It is an amenable number.

1490746172 is a deficient number, since it is larger than the sum of its proper divisors (1141147204).

1490746172 is a wasteful number, since it uses less digits than its factorization.

1490746172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298228 (or 3298226 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1490746172 is about 38610.1822321522. The cubic root of 1490746172 is about 1142.3553876276.

The spelling of 1490746172 in words is "one billion, four hundred ninety million, seven hundred forty-six thousand, one hundred seventy-two".