74787288450 has 48 divisors (see below), whose sum is σ = 211968546240. Its totient is φ = 17094237120.

The previous prime is 74787288431. The next prime is 74787288473. The reversal of 74787288450 is 5488278747.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35611945 + ... + 35614044.

It is an arithmetic number, because the mean of its divisors is an integer number (4416011380).

Almost surely, 2^74787288450 is an apocalyptic number.

74787288450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74787288450 is an abundant number, since it is smaller than the sum of its proper divisors (137181257790).

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

74787288450 is a wasteful number, since it uses less digits than its factorization.

74787288450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71226011 (or 71226006 counting only the distinct ones).

The product of its (nonzero) digits is 28098560, while the sum is 60.

The spelling of 74787288450 in words is "seventy-four billion, seven hundred eighty-seven million, two hundred eighty-eight thousand, four hundred fifty".