30152736 has 60 divisors (see below), whose sum is σ = 88685982. Its totient is φ = 10050048.

The previous prime is 30152657. The next prime is 30152767. The reversal of 30152736 is 63725103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 6533136 = 4860^2 + 2556^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3225 + ... + 8408.

Almost surely, 2^30152736 is an apocalyptic number.

30152736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30152736 is an abundant number, since it is smaller than the sum of its proper divisors (58533246).

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

30152736 is a wasteful number, since it uses less digits than its factorization.

30152736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655 (or 11638 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 30152736 is about 5491.1506990794. The cubic root of 30152736 is about 311.2496762952.

Adding to 30152736 its reverse (63725103), we get a palindrome (93877839).

The spelling of 30152736 in words is "thirty million, one hundred fifty-two thousand, seven hundred thirty-six".