747474081 has 8 divisors (see below), whose sum is σ = 998160960. Its totient is φ = 497551632.

The previous prime is 747474067. The next prime is 747474089. The reversal of 747474081 is 180474747.

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

It is not a de Polignac number, because 747474081 - 2¹³ = 747465889 is a prime.

It is a super-2 number, since 2×747474081² = 1117435003533589122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747474089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188821 + ... + 192738.

It is an arithmetic number, because the mean of its divisors is an integer number (124770120).

Almost surely, 2^747474081 is an apocalyptic number.

It is an amenable number.

747474081 is a deficient number, since it is larger than the sum of its proper divisors (250686879).

747474081 is a wasteful number, since it uses less digits than its factorization.

747474081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382215.

The product of its (nonzero) digits is 175616, while the sum is 42.

The square root of 747474081 is about 27339.9722201761. The cubic root of 747474081 is about 907.5391715593.

The spelling of 747474081 in words is "seven hundred forty-seven million, four hundred seventy-four thousand, eighty-one".