742732250 has 64 divisors (see below), whose sum is σ = 1507143456. Its totient is φ = 272448000.

The previous prime is 742732229. The next prime is 742732271. The reversal of 742732250 is 52237247.

It is an interprime number because it is at equal distance from previous prime (742732229) and next prime (742732271).

It can be written as a sum of positive squares in 16 ways, for example, as 5555449 + 737176801 = 2357^2 + 27151^2 .

It is a Curzon 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, 561590 + ... + 562910.

Almost surely, 2^742732250 is an apocalyptic number.

742732250 is an abundant number, since it is smaller than the sum of its proper divisors (764411206).

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

742732250 is a wasteful number, since it uses less digits than its factorization.

742732250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 742732250 is about 27253.1145009153. The cubic root of 742732250 is about 905.6160147711.

Adding to 742732250 its reverse (52237247), we get a palindrome (794969497).

The spelling of 742732250 in words is "seven hundred forty-two million, seven hundred thirty-two thousand, two hundred fifty".