762490945 has 4 divisors (see below), whose sum is σ = 914989140. Its totient is φ = 609992752.

The previous prime is 762490903. The next prime is 762490951. The reversal of 762490945 is 549094267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549094267 = 709 ⋅774463.

It can be written as a sum of positive squares in 2 ways, for example, as 304188481 + 458302464 = 17441^2 + 21408^2 .

It is a cyclic number.

It is not a de Polignac number, because 762490945 - 2⁹ = 762490433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 762490895 and 762490904.

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 3 ways as a sum of consecutive naturals, for example, 76249090 + ... + 76249099.

It is an arithmetic number, because the mean of its divisors is an integer number (228747285).

Almost surely, 2^762490945 is an apocalyptic number.

It is an amenable number.

762490945 is a deficient number, since it is larger than the sum of its proper divisors (152498195).

762490945 is a wasteful number, since it uses less digits than its factorization.

762490945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152498194.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 762490945 is about 27613.2385822453. The cubic root of 762490945 is about 913.5764520382.

The spelling of 762490945 in words is "seven hundred sixty-two million, four hundred ninety thousand, nine hundred forty-five".