745058981 has 8 divisors (see below), whose sum is σ = 771573600. Its totient is φ = 718599280.

The previous prime is 745058969. The next prime is 745059013. The reversal of 745058981 is 189850547.

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 745058981 - 2⁶ = 745058917 is a prime.

It is a super-2 number, since 2×745058981² = 1110225770337516722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745058081) 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, 14930 + ... + 41388.

It is an arithmetic number, because the mean of its divisors is an integer number (96446700).

Almost surely, 2^745058981 is an apocalyptic number.

It is an amenable number.

745058981 is a deficient number, since it is larger than the sum of its proper divisors (26514619).

745058981 is a wasteful number, since it uses less digits than its factorization.

745058981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27459.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 745058981 is about 27295.7685548511. The cubic root of 745058981 is about 906.5606927364.

The spelling of 745058981 in words is "seven hundred forty-five million, fifty-eight thousand, nine hundred eighty-one".