1032774990 has 64 divisors (see below), whose sum is σ = 2826363456. Its totient is φ = 239265792.

The previous prime is 1032774971. The next prime is 1032774997. The reversal of 1032774990 is 994772301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032774997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71257 + ... + 84516.

It is an arithmetic number, because the mean of its divisors is an integer number (44161929).

Almost surely, 2^1032774990 is an apocalyptic number.

1032774990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1032774990 is an abundant number, since it is smaller than the sum of its proper divisors (1793588466).

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

1032774990 is a wasteful number, since it uses less digits than its factorization.

1032774990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155813.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 1032774990 is about 32136.8167371941. The cubic root of 1032774990 is about 1010.8077680067.

The spelling of 1032774990 in words is "one billion, thirty-two million, seven hundred seventy-four thousand, nine hundred ninety".