74526340 has 24 divisors (see below), whose sum is σ = 178863552. Its totient is φ = 25551840.

The previous prime is 74526337. The next prime is 74526343. The reversal of 74526340 is 4362547.

It is an interprime number because it is at equal distance from previous prime (74526337) and next prime (74526343).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74526343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 266026 + ... + 266305.

It is an arithmetic number, because the mean of its divisors is an integer number (7452648).

Almost surely, 2^74526340 is an apocalyptic number.

74526340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74526340 is an abundant number, since it is smaller than the sum of its proper divisors (104337212).

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

74526340 is a wasteful number, since it uses less digits than its factorization.

74526340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532347 (or 532345 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 74526340 is about 8632.8639512041. The cubic root of 74526340 is about 420.8266786735.

Adding to 74526340 its reverse (4362547), we get a palindrome (78888887).

The spelling of 74526340 in words is "seventy-four million, five hundred twenty-six thousand, three hundred forty".