147750740 has 24 divisors (see below), whose sum is σ = 328528872. Its totient is φ = 55623680.

The previous prime is 147750739. The next prime is 147750749. The reversal of 147750740 is 47057741.

147750740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70627216 + 77123524 = 8404^2 + 8782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147750740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147750749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216941 + ... + 217620.

It is an arithmetic number, because the mean of its divisors is an integer number (13688703).

Almost surely, 2^147750740 is an apocalyptic number.

147750740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147750740 is an abundant number, since it is smaller than the sum of its proper divisors (180778132).

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

147750740 is a wasteful number, since it uses less digits than its factorization.

147750740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434587 (or 434585 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 147750740 is about 12155.2762206377. The cubic root of 147750740 is about 528.6601257115.

The spelling of 147750740 in words is "one hundred forty-seven million, seven hundred fifty thousand, seven hundred forty".