747420375 has 64 divisors (see below), whose sum is σ = 1350236160. Its totient is φ = 364982400.

The previous prime is 747420361. The next prime is 747420431. The reversal of 747420375 is 573024747.

It is not a de Polignac number, because 747420375 - 2¹² = 747416279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677074 + ... + 678176.

It is an arithmetic number, because the mean of its divisors is an integer number (21097440).

Almost surely, 2^747420375 is an apocalyptic number.

747420375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

747420375 is a deficient number, since it is larger than the sum of its proper divisors (602815785).

747420375 is a wasteful number, since it uses less digits than its factorization.

747420375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 39.

The square root of 747420375 is about 27338.9900142635. The cubic root of 747420375 is about 907.5174354807.

The spelling of 747420375 in words is "seven hundred forty-seven million, four hundred twenty thousand, three hundred seventy-five".