1457920733 has 2 divisors, whose sum is σ = 1457920734. Its totient is φ = 1457920732.

The previous prime is 1457920729. The next prime is 1457920771. The reversal of 1457920733 is 3370297541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369222009 + 88698724 = 37003^2 + 9418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457920733 - 2² = 1457920729 is a prime.

It is a super-2 number, since 2×1457920733² = 4251065727422514578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457920133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728960366 + 728960367.

It is an arithmetic number, because the mean of its divisors is an integer number (728960367).

Almost surely, 2^1457920733 is an apocalyptic number.

It is an amenable number.

1457920733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457920733 is an equidigital number, since it uses as much as digits as its factorization.

1457920733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1457920733 is about 38182.7282026835. The cubic root of 1457920733 is about 1133.9083951170.

The spelling of 1457920733 in words is "one billion, four hundred fifty-seven million, nine hundred twenty thousand, seven hundred thirty-three".