457630742 has 8 divisors (see below), whose sum is σ = 708589632. Its totient is φ = 221434200.

The previous prime is 457630741. The next prime is 457630757. The reversal of 457630742 is 247036754.

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

It is a junction number, because it is equal to n+sod(n) for n = 457630696 and 457630705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457630741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690509 + ... + 3690632.

It is an arithmetic number, because the mean of its divisors is an integer number (88573704).

Almost surely, 2^457630742 is an apocalyptic number.

457630742 is a deficient number, since it is larger than the sum of its proper divisors (250958890).

457630742 is a wasteful number, since it uses less digits than its factorization.

457630742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381174.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 457630742 is about 21392.3056728348. The cubic root of 457630742 is about 770.6166657258.

The spelling of 457630742 in words is "four hundred fifty-seven million, six hundred thirty thousand, seven hundred forty-two".