61078434 has 16 divisors (see below), whose sum is σ = 122275872. Its totient is φ = 20339648.

The previous prime is 61078429. The next prime is 61078439. The reversal of 61078434 is 43487016.

It is an interprime number because it is at equal distance from previous prime (61078429) and next prime (61078439).

It is a junction number, because it is equal to n+sod(n) for n = 61078395 and 61078404.

It is not an unprimeable number, because it can be changed into a prime (61078439) 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, 2602 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (7642242).

Almost surely, 2^61078434 is an apocalyptic number.

61078434 is an abundant number, since it is smaller than the sum of its proper divisors (61197438).

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

61078434 is a wasteful number, since it uses less digits than its factorization.

61078434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 61078434 is about 7815.2692851878. The cubic root of 61078434 is about 393.8183647483.

It can be divided in two parts, 6107 and 8434, that added together give a palindrome (14541).

The spelling of 61078434 in words is "sixty-one million, seventy-eight thousand, four hundred thirty-four".