1456702690 has 8 divisors (see below), whose sum is σ = 2622064860. Its totient is φ = 582681072.

The previous prime is 1456702673. The next prime is 1456702703. The reversal of 1456702690 is 962076541.

It can be written as a sum of positive squares in 2 ways, for example, as 1393006329 + 63696361 = 37323^2 + 7981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1456702690² = 4243965454106472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72835125 + ... + 72835144.

Almost surely, 2^1456702690 is an apocalyptic number.

1456702690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1456702690 is a deficient number, since it is larger than the sum of its proper divisors (1165362170).

1456702690 is a wasteful number, since it uses less digits than its factorization.

1456702690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145670276.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1456702690 is about 38166.7746868923. The cubic root of 1456702690 is about 1133.5925265504.

The spelling of 1456702690 in words is "one billion, four hundred fifty-six million, seven hundred two thousand, six hundred ninety".