743272425 has 72 divisors (see below), whose sum is σ = 1552678400. Its totient is φ = 339746400.

The previous prime is 743272423. The next prime is 743272427. The reversal of 743272425 is 524272347.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (743272423) and next prime (743272427).

It is not a de Polignac number, because 743272425 - 2¹ = 743272423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 743272425.

It is not an unprimeable number, because it can be changed into a prime (743272423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72360 + ... + 81990.

Almost surely, 2^743272425 is an apocalyptic number.

743272425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

743272425 is an abundant number, since it is smaller than the sum of its proper divisors (809405975).

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

743272425 is a wasteful number, since it uses less digits than its factorization.

743272425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668 (or 9646 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 743272425 is about 27263.0230348727. The cubic root of 743272425 is about 905.8355073207.

The spelling of 743272425 in words is "seven hundred forty-three million, two hundred seventy-two thousand, four hundred twenty-five".