1374432290 has 32 divisors (see below), whose sum is σ = 3084441984. Its totient is φ = 428394240.

The previous prime is 1374432287. The next prime is 1374432307. The reversal of 1374432290 is 922344731.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1374432290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891719 + ... + 893258.

It is an arithmetic number, because the mean of its divisors is an integer number (96388812).

Almost surely, 2^1374432290 is an apocalyptic number.

1374432290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1374432290 is an abundant number, since it is smaller than the sum of its proper divisors (1710009694).

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

1374432290 is a wasteful number, since it uses less digits than its factorization.

1374432290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785002.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1374432290 is about 37073.3366450877. The cubic root of 1374432290 is about 1111.8369847342.

The spelling of 1374432290 in words is "one billion, three hundred seventy-four million, four hundred thirty-two thousand, two hundred ninety".