1497917490 has 32 divisors (see below), whose sum is σ = 3598015680. Its totient is φ = 399109824.

The previous prime is 1497917479. The next prime is 1497917507. The reversal of 1497917490 is 947197941.

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, 16557 + ... + 57183.

It is an arithmetic number, because the mean of its divisors is an integer number (112437990).

Almost surely, 2^1497917490 is an apocalyptic number.

1497917490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1497917490 is an abundant number, since it is smaller than the sum of its proper divisors (2100098190).

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

1497917490 is a wasteful number, since it uses less digits than its factorization.

1497917490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41866.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1497917490 is about 38702.9390356856. The cubic root of 1497917490 is about 1144.1842463488.

The spelling of 1497917490 in words is "one billion, four hundred ninety-seven million, nine hundred seventeen thousand, four hundred ninety".