49461678 has 144 divisors (see below), whose sum is σ = 135442944. Its totient is φ = 13471920.

The previous prime is 49461677. The next prime is 49461683. The reversal of 49461678 is 87616494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49461673) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 738201 + ... + 738267.

It is an arithmetic number, because the mean of its divisors is an integer number (940576).

Almost surely, 2^49461678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49461678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67721472).

49461678 is an abundant number, since it is smaller than the sum of its proper divisors (85981266).

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

49461678 is a wasteful number, since it uses less digits than its factorization.

49461678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 110 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49461678 is about 7032.8996864736. The cubic root of 49461678 is about 367.0762462634.

The spelling of 49461678 in words is "forty-nine million, four hundred sixty-one thousand, six hundred seventy-eight".