1490774736 has 40 divisors (see below), whose sum is σ = 4201275744. Its totient is φ = 451749760.

The previous prime is 1490774707. The next prime is 1490774737. The reversal of 1490774736 is 6374770941.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490774737) 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, 1411191 + ... + 1412246.

Almost surely, 2^1490774736 is an apocalyptic number.

1490774736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1490774736 is an abundant number, since it is smaller than the sum of its proper divisors (2710501008).

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

1490774736 is a wasteful number, since it uses less digits than its factorization.

1490774736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823459 (or 2823453 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 1490774736 is about 38610.5521328043. The cubic root of 1490774736 is about 1142.3626837570.

The spelling of 1490774736 in words is "one billion, four hundred ninety million, seven hundred seventy-four thousand, seven hundred thirty-six".