74554340 has 24 divisors (see below), whose sum is σ = 178930752. Its totient is φ = 25561440.

The previous prime is 74554313. The next prime is 74554357. The reversal of 74554340 is 4345547.

It is a super-2 number, since 2×74554340² = 11116699225671200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74554297 and 74554306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266126 + ... + 266405.

It is an arithmetic number, because the mean of its divisors is an integer number (7455448).

Almost surely, 2^74554340 is an apocalyptic number.

74554340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74554340 is an abundant number, since it is smaller than the sum of its proper divisors (104376412).

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

74554340 is a wasteful number, since it uses less digits than its factorization.

74554340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532547 (or 532545 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 74554340 is about 8634.4855087029. The cubic root of 74554340 is about 420.8793744571.

Adding to 74554340 its reverse (4345547), we get a palindrome (78899887).

The spelling of 74554340 in words is "seventy-four million, five hundred fifty-four thousand, three hundred forty".