747242232 has 128 divisors (see below), whose sum is σ = 2108471040. Its totient is φ = 218695680.

The previous prime is 747242201. The next prime is 747242263. The reversal of 747242232 is 232242747.

It is an interprime number because it is at equal distance from previous prime (747242201) and next prime (747242263).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 747242193 and 747242202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2217168 + ... + 2217504.

It is an arithmetic number, because the mean of its divisors is an integer number (16472430).

Almost surely, 2^747242232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747242232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054235520).

747242232 is an abundant number, since it is smaller than the sum of its proper divisors (1361228808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747242232 is a wasteful number, since it uses less digits than its factorization.

747242232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 617 counting only the distinct ones).

The product of its digits is 37632, while the sum is 33.

The square root of 747242232 is about 27335.7317809493. The cubic root of 747242232 is about 907.4453293720.

Adding to 747242232 its reverse (232242747), we get a palindrome (979484979).

The spelling of 747242232 in words is "seven hundred forty-seven million, two hundred forty-two thousand, two hundred thirty-two".