61401434 has 4 divisors (see below), whose sum is σ = 92102154. Its totient is φ = 30700716.

The previous prime is 61401427. The next prime is 61401449. The reversal of 61401434 is 43410416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 13140625 = 6947^2 + 3625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15350357 + ... + 15350360.

Almost surely, 2^61401434 is an apocalyptic number.

61401434 is a deficient number, since it is larger than the sum of its proper divisors (30700720).

61401434 is a wasteful number, since it uses less digits than its factorization.

61401434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700719.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 61401434 is about 7835.9067120532. The cubic root of 61401434 is about 394.5113521685.

The spelling of 61401434 in words is "sixty-one million, four hundred one thousand, four hundred thirty-four".