752045130 has 24 divisors (see below), whose sum is σ = 1955317572. Its totient is φ = 200545344.

The previous prime is 752045101. The next prime is 752045131. The reversal of 752045130 is 31540257.

It is a happy number.

752045130 is a `hidden beast` number, since 7 + 520 + 4 + 5 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 715937049 + 36108081 = 26757^2 + 6009^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 752045094 and 752045103.

It is not an unprimeable number, because it can be changed into a prime (752045131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4177939 + ... + 4178118.

Almost surely, 2^752045130 is an apocalyptic number.

752045130 is an abundant number, since it is smaller than the sum of its proper divisors (1203272442).

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

752045130 is a wasteful number, since it uses less digits than its factorization.

752045130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356070 (or 8356067 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 752045130 is about 27423.4412501422. The cubic root of 752045130 is about 909.3853797660.

Adding to 752045130 its reverse (31540257), we get a palindrome (783585387).

It can be divided in two parts, 7520 and 45130, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 752045130 in words is "seven hundred fifty-two million, forty-five thousand, one hundred thirty".