49072977 has 12 divisors (see below), whose sum is σ = 71394960. Its totient is φ = 32479128.

The previous prime is 49072967. The next prime is 49072981. The reversal of 49072977 is 77927094.

It is a happy number.

49072977 is a `hidden beast` number, since 490 + 72 + 97 + 7 = 666.

It is not a de Polignac number, because 49072977 - 2⁶ = 49072913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49072937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18363 + ... + 20864.

It is an arithmetic number, because the mean of its divisors is an integer number (5949580).

Almost surely, 2^49072977 is an apocalyptic number.

It is an amenable number.

49072977 is a deficient number, since it is larger than the sum of its proper divisors (22321983).

49072977 is a wasteful number, since it uses less digits than its factorization.

49072977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39372 (or 39369 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 49072977 is about 7005.2107034692. The cubic root of 49072977 is about 366.1121442607.

The spelling of 49072977 in words is "forty-nine million, seventy-two thousand, nine hundred seventy-seven".