158074740 has 60 divisors (see below), whose sum is σ = 495891396. Its totient is φ = 42152832.

The previous prime is 158074739. The next prime is 158074753. The reversal of 158074740 is 47470851.

158074740 is a `hidden beast` number, since 1 + 580 + 7 + 4 + 74 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35928036 + 122146704 = 5994^2 + 11052^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 158074695 and 158074704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47169 + ... + 50408.

Almost surely, 2^158074740 is an apocalyptic number.

158074740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158074740 is an abundant number, since it is smaller than the sum of its proper divisors (337816656).

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

158074740 is a wasteful number, since it uses less digits than its factorization.

158074740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97598 (or 97587 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 158074740 is about 12572.7777360454. Note that the first 4 decimals coincide. The cubic root of 158074740 is about 540.6972474754.

The spelling of 158074740 in words is "one hundred fifty-eight million, seventy-four thousand, seven hundred forty".