74250432 has 70 divisors (see below), whose sum is σ = 220116908. Its totient is φ = 24748416.

The previous prime is 74250431. The next prime is 74250437. The reversal of 74250432 is 23405247.

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

It is a junction number, because it is equal to n+sod(n) for n = 74250396 and 74250405.

It is not an unprimeable number, because it can be changed into a prime (74250431) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1978 + ... + 12345.

Almost surely, 2^74250432 is an apocalyptic number.

74250432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74250432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110058454).

74250432 is an abundant number, since it is smaller than the sum of its proper divisors (145866476).

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

74250432 is a wasteful number, since it uses less digits than its factorization.

74250432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14347 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74250432 is about 8616.8690369530. The cubic root of 74250432 is about 420.3067147354.

Adding to 74250432 its reverse (23405247), we get a palindrome (97655679).

The spelling of 74250432 in words is "seventy-four million, two hundred fifty thousand, four hundred thirty-two".