70772150 has 96 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 24710400.

The previous prime is 70772137. The next prime is 70772159. The reversal of 70772150 is 5127707.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70772159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 895811 + ... + 895889.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^70772150 is an apocalyptic number.

70772150 is an abundant number, since it is smaller than the sum of its proper divisors (79218250).

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

70772150 is a wasteful number, since it uses less digits than its factorization.

70772150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 70772150 is about 8412.6184984225. The cubic root of 70772150 is about 413.6383494066.

Adding to 70772150 its reverse (5127707), we get a palindrome (75899857).

It can be divided in two parts, 707 and 72150, that multiplied together give a triangular number (51010050 = T₁₀₁₀₀).

The spelling of 70772150 in words is "seventy million, seven hundred seventy-two thousand, one hundred fifty".