747242401 has 4 divisors (see below), whose sum is σ = 747321904. Its totient is φ = 747162900.

The previous prime is 747242399. The next prime is 747242407. The reversal of 747242401 is 104242747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 747242401 - 2¹ = 747242399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23415 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (186830476).

Almost surely, 2^747242401 is an apocalyptic number.

It is an amenable number.

747242401 is a deficient number, since it is larger than the sum of its proper divisors (79503).

747242401 is a wasteful number, since it uses less digits than its factorization.

747242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79502.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 747242401 is about 27335.7348721413. The cubic root of 747242401 is about 907.4453977828.

The spelling of 747242401 in words is "seven hundred forty-seven million, two hundred forty-two thousand, four hundred one".