1453622730 has 48 divisors (see below), whose sum is σ = 4058281440. Its totient is φ = 332256288.

The previous prime is 1453622719. The next prime is 1453622749. The reversal of 1453622730 is 372263541.

It is a super-2 number, since 2×1453622730² = 4226038082345305800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453622691 and 1453622700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492960 + ... + 495899.

It is an arithmetic number, because the mean of its divisors is an integer number (84547530).

Almost surely, 2^1453622730 is an apocalyptic number.

1453622730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453622730 is an abundant number, since it is smaller than the sum of its proper divisors (2604658710).

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

1453622730 is a wasteful number, since it uses less digits than its factorization.

1453622730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988883 (or 988876 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1453622730 is about 38126.4046298625. The cubic root of 1453622730 is about 1132.7930307129.

The spelling of 1453622730 in words is "one billion, four hundred fifty-three million, six hundred twenty-two thousand, seven hundred thirty".