30497376 has 96 divisors (see below), whose sum is σ = 98558208. Its totient is φ = 8040960.

The previous prime is 30497351. The next prime is 30497381. The reversal of 30497376 is 67379403.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6991 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (1026648).

Almost surely, 2^30497376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30497376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49279104).

30497376 is an abundant number, since it is smaller than the sum of its proper divisors (68060832).

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

30497376 is a wasteful number, since it uses less digits than its factorization.

30497376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 30497376 is about 5522.4429376862. The cubic root of 30497376 is about 312.4310281917.

The spelling of 30497376 in words is "thirty million, four hundred ninety-seven thousand, three hundred seventy-six".