490620751 has 8 divisors (see below), whose sum is σ = 512593920. Its totient is φ = 468701112.

The previous prime is 490620749. The next prime is 490620791. The reversal of 490620751 is 157026094.

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

It is a cyclic number.

It is not a de Polignac number, because 490620751 - 2¹ = 490620749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490620791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5970 + ... + 31888.

It is an arithmetic number, because the mean of its divisors is an integer number (64074240).

Almost surely, 2^490620751 is an apocalyptic number.

490620751 is a deficient number, since it is larger than the sum of its proper divisors (21973169).

490620751 is a wasteful number, since it uses less digits than its factorization.

490620751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26765.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 490620751 is about 22149.9605191522. The cubic root of 490620751 is about 788.7062898733.

The spelling of 490620751 in words is "four hundred ninety million, six hundred twenty thousand, seven hundred fifty-one".