30374940 has 48 divisors (see below), whose sum is σ = 85371552. Its totient is φ = 8069376.

The previous prime is 30374923. The next prime is 30374957. The reversal of 30374940 is 4947303.

It is an interprime number because it is at equal distance from previous prime (30374923) and next prime (30374957).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30374898 and 30374907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18222 + ... + 19818.

It is an arithmetic number, because the mean of its divisors is an integer number (1778574).

Almost surely, 2^30374940 is an apocalyptic number.

30374940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30374940 is an abundant number, since it is smaller than the sum of its proper divisors (54996612).

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

30374940 is a wasteful number, since it uses less digits than its factorization.

30374940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30374940 is about 5511.3464779489. The cubic root of 30374940 is about 312.0123680173.

The spelling of 30374940 in words is "thirty million, three hundred seventy-four thousand, nine hundred forty".