747214447 has 16 divisors (see below), whose sum is σ = 905014080. Its totient is φ = 602247168.

The previous prime is 747214441. The next prime is 747214453. The reversal of 747214447 is 744412747.

It is an interprime number because it is at equal distance from previous prime (747214441) and next prime (747214453).

It is not a de Polignac number, because 747214447 - 2¹⁹ = 746690159 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 (747214441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175083 + ... + 179299.

It is an arithmetic number, because the mean of its divisors is an integer number (56563380).

Almost surely, 2^747214447 is an apocalyptic number.

747214447 is a deficient number, since it is larger than the sum of its proper divisors (157799633).

747214447 is a wasteful number, since it uses less digits than its factorization.

747214447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730.

The product of its digits is 175616, while the sum is 40.

The square root of 747214447 is about 27335.2235586249. The cubic root of 747214447 is about 907.4340819345.

The spelling of 747214447 in words is "seven hundred forty-seven million, two hundred fourteen thousand, four hundred forty-seven".