747242380 has 24 divisors (see below), whose sum is σ = 1611621648. Its totient is φ = 290818368.

The previous prime is 747242369. The next prime is 747242387. The reversal of 747242380 is 83242747.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (747242387) 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 7 ways as a sum of consecutive naturals, for example, 504154 + ... + 505633.

It is an arithmetic number, because the mean of its divisors is an integer number (67150902).

Almost surely, 2^747242380 is an apocalyptic number.

It is an amenable number.

747242380 is an abundant number, since it is smaller than the sum of its proper divisors (864379268).

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

747242380 is a wasteful number, since it uses less digits than its factorization.

747242380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009833 (or 1009831 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 747242380 is about 27335.7344880287. The cubic root of 747242380 is about 907.4453892821.

The spelling of 747242380 in words is "seven hundred forty-seven million, two hundred forty-two thousand, three hundred eighty".