1532730 has 32 divisors (see below), whose sum is σ = 3873600. Its totient is φ = 387072.

The previous prime is 1532723. The next prime is 1532731. The reversal of 1532730 is 372351.

It is a happy number.

It is a super-2 number, since 2×1532730² = 4698522505800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1532697 and 1532706.

It is not an unprimeable number, because it can be changed into a prime (1532731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (121050).

2^1532730 is an apocalyptic number.

1532730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1532730 is an abundant number, since it is smaller than the sum of its proper divisors (2340870).

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

1532730 is a wasteful number, since it uses less digits than its factorization.

1532730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1532730 is about 1238.0347329538. The cubic root of 1532730 is about 115.2980297425.

The spelling of 1532730 in words is "one million, five hundred thirty-two thousand, seven hundred thirty".