74162130 has 64 divisors (see below), whose sum is σ = 214133760. Its totient is φ = 16058304.

The previous prime is 74162117. The next prime is 74162161. The reversal of 74162130 is 3126147.

74162130 = T₉₉ + T₁₀₀ + ... + T₇₆₃.

It is a super-2 number, since 2×74162130² = 11000043052273800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74162130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5304 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (3345840).

Almost surely, 2^74162130 is an apocalyptic number.

74162130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74162130 is an abundant number, since it is smaller than the sum of its proper divisors (139971630).

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

74162130 is a wasteful number, since it uses less digits than its factorization.

74162130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 74162130 is about 8611.7437258664. The cubic root of 74162130 is about 420.1400326714.

Adding to 74162130 its reverse (3126147), we get a palindrome (77288277).

The spelling of 74162130 in words is "seventy-four million, one hundred sixty-two thousand, one hundred thirty".