75161034 has 80 divisors (see below), whose sum is σ = 183866760. Its totient is φ = 22809600.

The previous prime is 75160999. The next prime is 75161039. The reversal of 75161034 is 43016157.

It can be written as a sum of positive squares in 4 ways, for example, as 63154809 + 12006225 = 7947^2 + 3465^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 75160989 and 75161007.

It is not an unprimeable number, because it can be changed into a prime (75161039) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187234 + ... + 187634.

Almost surely, 2^75161034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75161034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91933380).

75161034 is an abundant number, since it is smaller than the sum of its proper divisors (108705726).

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

75161034 is a wasteful number, since it uses less digits than its factorization.

75161034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 75161034 is about 8669.5463549138. The cubic root of 75161034 is about 422.0179420806.

The spelling of 75161034 in words is "seventy-five million, one hundred sixty-one thousand, thirty-four".