745472517 has 8 divisors (see below), whose sum is σ = 994266624. Its totient is φ = 496830048.

The previous prime is 745472501. The next prime is 745472557. The reversal of 745472517 is 715274547.

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

It is not a de Polignac number, because 745472517 - 2⁴ = 745472501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745472557) 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, 25893 + ... + 46490.

It is an arithmetic number, because the mean of its divisors is an integer number (124283328).

Almost surely, 2^745472517 is an apocalyptic number.

It is an amenable number.

745472517 is a deficient number, since it is larger than the sum of its proper divisors (248794107).

745472517 is a wasteful number, since it uses less digits than its factorization.

745472517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75819.

The product of its digits is 274400, while the sum is 42.

The square root of 745472517 is about 27303.3425975649. The cubic root of 745472517 is about 906.7283869070.

The spelling of 745472517 in words is "seven hundred forty-five million, four hundred seventy-two thousand, five hundred seventeen".