1064372990 has 32 divisors (see below), whose sum is σ = 1937596896. Its totient is φ = 420940800.

The previous prime is 1064372987. The next prime is 1064373041. The reversal of 1064372990 is 992734601.

It is a super-2 number, since 2×1064372990² = 2265779723683080200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 590090 + ... + 591890.

It is an arithmetic number, because the mean of its divisors is an integer number (60549903).

Almost surely, 2^1064372990 is an apocalyptic number.

1064372990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064372990 is a deficient number, since it is larger than the sum of its proper divisors (873223906).

1064372990 is a wasteful number, since it uses less digits than its factorization.

1064372990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1064372990 is about 32624.7297306813. The cubic root of 1064372990 is about 1021.0130234327.

The spelling of 1064372990 in words is "one billion, sixty-four million, three hundred seventy-two thousand, nine hundred ninety".